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lars gislen

Lars Gislén

Retired, affiliated researcher

lars gislen

Improved algorithm for simulations of divergent-light halos

Author

  • Lars Gislén
  • Jan Mattsson
  • Bo Söderberg

Summary, in English

Divergent-light halos are produced when light from nearby light sources is scattered by ice crystals in the atmosphere. We present a theory of divergent-light halos leading to an improved algorithm for the simulation of such halos. Contrary to the algorithm that we presented earlier for simulating such halos, the new algorithm includes a mathematically rigorous weighting of the events. The computer implementation is very compact, and the whole procedure is elegant and conceptually easy to understand. We also present a new simulation atlas showing halos produced by crystals of different shapes and orientations for a set of elevations of the light source.

Department/s

  • Theoretical Particle Physics - Undergoing reorganization
  • Dept of Physical Geography and Ecosystem Science
  • Computational Biology and Biological Physics - Undergoing reorganization

Publishing year

2005

Language

English

Pages

3638-3645

Publication/Series

Applied Optics

Volume

44

Issue

18

Document type

Journal article

Publisher

Optical Society of America

Topic

  • Atom and Molecular Physics and Optics

Status

Published

ISBN/ISSN/Other

  • ISSN: 2155-3165